AMEC SB-181 TX Switch Box [AMEC-SB181-010] Brand_Tip Top Teak very quiet operation

very quiet operation

when you complete your boat’s system with a WM-4 Receiver and a SiriusXM® Marine Satellite Weather subscription

a single three-relay ACR provides a drastic improvement in off-state quiescent current draw

500 Lumens

Watts: 135 Watt Solar Module for 12V Lead Acid Batteries

AMEC SB-181 TX Switch Box [AMEC-SB181-010] Brand_Tip Top Teak very quiet operationSB 181 TX Switch Box The TX Switch Box SB 181 is specifically made to work with AMEC AIS Class B transceivers, both the 2W and 5W series. With its simple and robust design, silent mode (AIS transmission disabled) can be activated easily. Owner's Manual (pdf)